package com.killuasy.tools.filter;

import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

public class SessionFilter implements Filter {

	public void destroy() {
	}

	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain chain) throws IOException, ServletException {

		HttpServletRequest req = (HttpServletRequest) request;
		HttpServletResponse res = (HttpServletResponse) response;
		HttpSession session = req.getSession(false);
		String url = req.getRequestURI();

		// UserInfo userInfo = null;

		if (session != null && !session.isNew()) {
			// userInfo = (UserInfo) session
			// .getAttribute(Symbol.SESSION_KEY_USERINFO);
			chain.doFilter(request, response);
		} else {
			if (!url.equals("/mainservlet/login")) {
				res.sendRedirect("/Killuasy_tools.html");
			} else {
				chain.doFilter(request, response);
			}
		}
	}

	public void init(FilterConfig arg0) throws ServletException {
	}

}
